问题
问答题 简答题
为什么DC12V变压器一般接在距离摄像头近的位置？
答案
参考答案：
因为控制箱距离摄像头一般都比较远（>100米），而在长距离传输过程中，可能会出现电压不足现象，所以一般把变压器接在距离摄像头近的位置。
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为什么DC12V变压器一般接在距离摄像头近的位置？
参考答案：
因为控制箱距离摄像头一般都比较远（>100米），而在长距离传输过程中，可能会出现电压不足现象，所以一般把变压器接在距离摄像头近的位置。
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| Chinese scientists are again becoming excited about the fact that a large hairy animal may live in central China. Now they hope it won't be too long before they are able to 1 its existence. Their confidence is the 2 of a new discovery of the mystery animal in Hubei Province. Ten Chinese 3 , enjoying a holiday in a National Forest Park, were driving down a road. As their bus turned a corner, the men were suddenly 4 by what they saw. Three 5 animals, covered with long black hair, were crossing the road. On seeing the animal, the engineers immediately stopped and 6 them. 7 , when they saw how the animals moved through the forest with great 8 and strength, they did not dare to follow any further. The men did not take any 9 . However, scientists are 10 by the discovery, because the engineers were all very educated people and scientists feel they can 11 what they described. After the discovery, scientists returned to the forest and 12 some hair and measured footprints. About 20 inches appears to be the animal's foot! Chinese scientists have now set up a special group to exchange information and make a 13 of the forest. But in the meantime, some people 14 to believe that this half- man, half-monkey exists. They will not believe that it is 15 until one of the animals has been caught. | ||||
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